diff options
Diffstat (limited to 'drivers/staging/nokia_h4p/hci_h4p.h')
| -rw-r--r-- | drivers/staging/nokia_h4p/hci_h4p.h | 222 |
1 files changed, 222 insertions, 0 deletions
diff --git a/drivers/staging/nokia_h4p/hci_h4p.h b/drivers/staging/nokia_h4p/hci_h4p.h new file mode 100644 index 000000000000..99c4da61a56c --- /dev/null +++ b/drivers/staging/nokia_h4p/hci_h4p.h @@ -0,0 +1,222 @@ +/* + * This file is part of Nokia H4P bluetooth driver + * + * Copyright (C) 2005-2008 Nokia Corporation. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * version 2 as published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA + * + */ + +#ifndef __DRIVERS_BLUETOOTH_HCI_H4P_H +#define __DRIVERS_BLUETOOTH_HCI_H4P_H + +#include <net/bluetooth/bluetooth.h> +#include <net/bluetooth/hci_core.h> +#include <net/bluetooth/hci.h> + +#define UART_SYSC_OMAP_RESET 0x03 +#define UART_SYSS_RESETDONE 0x01 +#define UART_OMAP_SCR_EMPTY_THR 0x08 +#define UART_OMAP_SCR_WAKEUP 0x10 +#define UART_OMAP_SSR_WAKEUP 0x02 +#define UART_OMAP_SSR_TXFULL 0x01 + +#define UART_OMAP_SYSC_IDLEMODE 0x03 +#define UART_OMAP_SYSC_IDLEMASK (3 << UART_OMAP_SYSC_IDLEMODE) + +#define UART_OMAP_SYSC_FORCE_IDLE (0 << UART_OMAP_SYSC_IDLEMODE) +#define UART_OMAP_SYSC_NO_IDLE (1 << UART_OMAP_SYSC_IDLEMODE) +#define UART_OMAP_SYSC_SMART_IDLE (2 << UART_OMAP_SYSC_IDLEMODE) + +#define H4P_TRANSFER_MODE 1 +#define H4P_SCHED_TRANSFER_MODE 2 +#define H4P_ACTIVE_MODE 3 + +struct hci_h4p_info { + struct timer_list lazy_release; + struct hci_dev *hdev; + spinlock_t lock; + + void __iomem *uart_base; + unsigned long uart_phys_base; + int irq; + struct device *dev; + u8 chip_type; + u8 bt_wakeup_gpio; + u8 host_wakeup_gpio; + u8 reset_gpio; + u8 reset_gpio_shared; + u8 bt_sysclk; + u8 man_id; + u8 ver_id; + + struct sk_buff_head fw_queue; + struct sk_buff *alive_cmd_skb; + struct completion init_completion; + struct completion fw_completion; + struct completion test_completion; + int fw_error; + int init_error; + + struct sk_buff_head txq; + + struct sk_buff *rx_skb; + long rx_count; + unsigned long rx_state; + unsigned long garbage_bytes; + + u8 bd_addr[6]; + struct sk_buff_head *fw_q; + + int pm_enabled; + int tx_enabled; + int autorts; + int rx_enabled; + unsigned long pm_flags; + + int tx_clocks_en; + int rx_clocks_en; + spinlock_t clocks_lock; + struct clk *uart_iclk; + struct clk *uart_fclk; + atomic_t clk_users; + u16 dll; + u16 dlh; + u16 ier; + u16 mdr1; + u16 efr; +}; + +struct hci_h4p_radio_hdr { + __u8 evt; + __u8 dlen; +} __packed; + +struct hci_h4p_neg_hdr { + __u8 dlen; +} __packed; +#define H4P_NEG_HDR_SIZE 1 + +#define H4P_NEG_REQ 0x00 +#define H4P_NEG_ACK 0x20 +#define H4P_NEG_NAK 0x40 + +#define H4P_PROTO_PKT 0x44 +#define H4P_PROTO_BYTE 0x4c + +#define H4P_ID_CSR 0x02 +#define H4P_ID_BCM2048 0x04 +#define H4P_ID_TI1271 0x31 + +struct hci_h4p_neg_cmd { + __u8 ack; + __u16 baud; + __u16 unused1; + __u8 proto; + __u16 sys_clk; + __u16 unused2; +} __packed; + +struct hci_h4p_neg_evt { + __u8 ack; + __u16 baud; + __u16 unused1; + __u8 proto; + __u16 sys_clk; + __u16 unused2; + __u8 man_id; + __u8 ver_id; +} __packed; + +#define H4P_ALIVE_REQ 0x55 +#define H4P_ALIVE_RESP 0xcc + +struct hci_h4p_alive_hdr { + __u8 dlen; +} __packed; +#define H4P_ALIVE_HDR_SIZE 1 + +struct hci_h4p_alive_pkt { + __u8 mid; + __u8 unused; +} __packed; + +#define MAX_BAUD_RATE 921600 +#define BC4_MAX_BAUD_RATE 3692300 +#define UART_CLOCK 48000000 +#define BT_INIT_DIVIDER 320 +#define BT_BAUDRATE_DIVIDER 384000000 +#define BT_SYSCLK_DIV 1000 +#define INIT_SPEED 120000 + +#define H4_TYPE_SIZE 1 +#define H4_RADIO_HDR_SIZE 2 + +/* H4+ packet types */ +#define H4_CMD_PKT 0x01 +#define H4_ACL_PKT 0x02 +#define H4_SCO_PKT 0x03 +#define H4_EVT_PKT 0x04 +#define H4_NEG_PKT 0x06 +#define H4_ALIVE_PKT 0x07 +#define H4_RADIO_PKT 0x08 + +/* TX states */ +#define WAIT_FOR_PKT_TYPE 1 +#define WAIT_FOR_HEADER 2 +#define WAIT_FOR_DATA 3 + +struct hci_fw_event { + struct hci_event_hdr hev; + struct hci_ev_cmd_complete cmd; + u8 status; +} __packed; + +int hci_h4p_send_alive_packet(struct hci_h4p_info *info); + +void hci_h4p_bcm_parse_fw_event(struct hci_h4p_info *info, + struct sk_buff *skb); +int hci_h4p_bcm_send_fw(struct hci_h4p_info *info, + struct sk_buff_head *fw_queue); + +void hci_h4p_bc4_parse_fw_event(struct hci_h4p_info *info, + struct sk_buff *skb); +int hci_h4p_bc4_send_fw(struct hci_h4p_info *info, + struct sk_buff_head *fw_queue); + +void hci_h4p_ti1273_parse_fw_event(struct hci_h4p_info *info, + struct sk_buff *skb); +int hci_h4p_ti1273_send_fw(struct hci_h4p_info *info, + struct sk_buff_head *fw_queue); + +int hci_h4p_read_fw(struct hci_h4p_info *info, struct sk_buff_head *fw_queue); +int hci_h4p_send_fw(struct hci_h4p_info *info, struct sk_buff_head *fw_queue); +void hci_h4p_parse_fw_event(struct hci_h4p_info *info, struct sk_buff *skb); + +void hci_h4p_outb(struct hci_h4p_info *info, unsigned int offset, u8 val); +u8 hci_h4p_inb(struct hci_h4p_info *info, unsigned int offset); +void hci_h4p_set_rts(struct hci_h4p_info *info, int active); +int hci_h4p_wait_for_cts(struct hci_h4p_info *info, int active, int timeout_ms); +void __hci_h4p_set_auto_ctsrts(struct hci_h4p_info *info, int on, u8 which); +void hci_h4p_set_auto_ctsrts(struct hci_h4p_info *info, int on, u8 which); +void hci_h4p_change_speed(struct hci_h4p_info *info, unsigned long speed); +int hci_h4p_reset_uart(struct hci_h4p_info *info); +void hci_h4p_init_uart(struct hci_h4p_info *info); +void hci_h4p_enable_tx(struct hci_h4p_info *info); +void hci_h4p_store_regs(struct hci_h4p_info *info); +void hci_h4p_restore_regs(struct hci_h4p_info *info); +void hci_h4p_smart_idle(struct hci_h4p_info *info, bool enable); + +#endif /* __DRIVERS_BLUETOOTH_HCI_H4P_H */ |